RHEL7: mlx5 reports error messages during shutdown then panic with mce

Solution In Progress - Updated -

Issue

  • Kernel panic with below logs:
[  200.824725] systemd-shutdown[1]: All filesystems unmounted.
[  200.824736] systemd-shutdown[1]: Deactivating swaps.
[  200.824837] systemd-shutdown[1]: All swaps deactivated.
[  200.824846] systemd-shutdown[1]: Detaching loop devices.
[  200.829664] systemd-shutdown[1]: All loop devices detached.
[  200.829674] systemd-shutdown[1]: Detaching DM devices.
[  200.829920] systemd-shutdown[1]: All DM devices detached.
[  200.848448] systemd-shutdown[1]: Syncing filesystems and block devices.
[  200.848779] systemd-shutdown[1]: Rebooting.
[  201.325192] infiniband mlx5_bond_0: wait_for_async_commands:745:(pid 3633): done with all pending requests
[  204.919209] mlx5_core 0000:af:00.1: Shutdown was called
[  205.014965] infiniband mlx5_bond_1: wait_for_async_commands:745:(pid 601): done with all pending requests
[  210.785156] infiniband mlx5_3: wait_for_async_commands:745:(pid 1): done with all pending requests
[  211.847192] mlx5_core 0000:af:00.0: Shutdown was called
[  215.000902] infiniband mlx5_2: wait_for_async_commands:745:(pid 1): done with all pending requests
[  215.310641] Disabling lock debugging due to kernel taint
[  215.310732] mce: [Hardware Error]: CPU 12: Machine Check Exception: 5 Bank 6: fb80000000000e0b
[  215.310733] mce: [Hardware Error]: Machine check events logged
[  215.311849] mce: [Hardware Error]: RIP !INEXACT! 10:<ffffffffb6b8e764> {intel_idle+0xd4/0x225}
[  215.312405] mce: [Hardware Error]: TSC 5405d7784ea MISC ae000000 
[  215.312956] mce: [Hardware Error]: PROCESSOR 0:50654 TIME 1650408701 SOCKET 1 APIC 40 microcode 2006c0a
[  215.313520] mce: [Hardware Error]: Run the above through 'mcelog --ascii'
[  215.333866] mce: [Hardware Error]: Machine check: Processor context corrupt
[  215.334472] Kernel panic - not syncing: Fatal machine check

Environment

  • Red Hat Enterprise Linux 7
  • HPE DL380 Gen10
  • Mellanox ConnectX-4 Lx
  • mlx5 fw 14.32.1010 (HP_2420110034)
  • mlx5 fw 14.31.1200 (HP_2420110034 / HP_2690110034)

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